Not graded
Companion’s words (mawquf) Sunan ad-Darimi 883
أَخْبَرَنَا حَجَّاجٌ حَدَّثَنَا حَمَّادٌ عَنْ يُونُسَ وَحُمَيْدٍ عَنْ الْحَسَنِ قَالَ إِذَا طَهُرَتْ فِي وَقْتِ صَلَاةٍ صَلَّتْ تِلْكَ الصَّلَاةَ وَلَا تُصَلِّي غَيْرَهَا
This hadith has no English translation yet: the Arabic text, the reference and the grade are shown here.
Reported by Ad-Darimi (No. 883, 882).